[08:11:27] [Server thread/ERROR]: Could not pass event EntityDamageByEntityEvent to CombatTag v1.1.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-Spigot-1627]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-1627]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-1627]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-1627]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.callEvent(CraftEventFactory.java:108) [spigot.jar:git-Spigot-1627]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:554) [spigot.jar:git-Spigot-1627]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:467) [spigot.jar:git-Spigot-1627]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:586) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.EntityLiving.d(EntityLiving.java:1040) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.EntityLiving.damageEntity(EntityLiving.java:684) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.EntityMonster.damageEntity(EntityMonster.java:48) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.EntityArrow.h(EntityArrow.java:243) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.World.entityJoinedWorld(World.java:1620) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.World.playerJoinedWorld(World.java:1595) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.World.tickEntities(World.java:1460) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.WorldServer.tickEntities(WorldServer.java:516) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:706) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [spigot.jar:git-Spigot-1627]
	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [spigot.jar:git-Spigot-1627]
Caused by: java.lang.ClassCastException